ability score increase:
When determining your character’s ability scores, increase one score by 2 and increase a different score by 1, or increase three different scores by 1.
age:
Centaurs mature and age at about the same rate as humans.
alignment:
Centaurs are inclined toward neutrality. Those who join the Selesnya are more often neutral good, while those who join the Gruul are typically chaotic neutral.
Size:
Medium
speed:
Your base walking speed is 40 feet.
Languages:
Your character can speak, read, and write Common and one other language that you and your DM agree is appropriate for the character. The Player’s Handbook offers a list of languages to choose from. The DM is free to modify that list for a campaign.